Any bigger shop that does high volume can get those for you in a couple of days max. Since its a cheaper item, you can likely call it in too.

However, i will say that ive had trouble with those tubes, and superlight tubes in general.. they tend to rip at the seam and are really really susceptible to punctures. I've started to use 1.5-1.75" regular tubes in a 2.0" tire. They weighed in at 115-120g each.

If you use undersized tubes, wouldn't it stand to reason that some parts of the tube are super-stretched and even more prone to punctures? I'm thinking of balloon art balloons, for example. When they are being inflated - sections of the balloon expand before others, not always closest to the opening..

That said, my only pinch flat came on a Maxxis Ultralight tube at Buckwallow. While I've had good luck with them otherwise, the Flyweight is 30g lighter.

I've had good luck with flyweights. I bought them at Universal Cycles when I did a big order a while back. One tube lasted 3 months with 3 times a week rides, then it developed a slightly leak at a seem. Wouldn't hold air overnight. I put a patch on there, then I did a tire change in the rain at hardwood hills this past weekend at the epic 8. I was in a hurry and I must have gotten some pebbles inside the other tire and it ruined the other tube.

So all of you guys got your local bike store to special order them in? I have a feeling I'm going to get fleeced for them...